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Патент USA US3090435

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May 21, 1963
C. E. CARLO
MULTIPLE WALL SIGHT AND SOUND INS
ULATING PARTITION
Filed March 15 , 1961
4 Sheets-Sheet 2
3,090,425
~
ll
‘,
Fl.I1
I “In
INVENTOR
(Zarevzce 5 Carla
BY
\
May 21, 1963
C. E. CARLO
' MULTIPLE WALL SIGHT AND SOUND INS
Filed March 15 ’
3,090,425
ULATING PARTITION
1961
4 Sheets-Sheet 3
@5
"
I
w. ".0", a.“
INVENTOR
Ularezzae ZC'ar/a
BY
May 21, 1963
c. E. CARLO
MULTIPLE WALL. SIGHT AND SOUND INS
3,090,425
ULATING PARTITION
Filed March 15, 1961
4 Sheets-Sheet 4
INVENTOR
Via/‘face .5. Carla
United States Patent 0
C6
1
3,090,425
Patented May 21, 1963
2
3,090,425
partition with sight and sound insulating sheets or mem~
EYSULATING PARTlTlON
Clarence E. Carlo, Dubuque, Iowa, assignor to Duhuque
With continued reference to the drawings, a coil box
or holder 10‘ may be provided for containing a pair of
partition forming walls or curtains 11 and 12 mounted
upon reels or rotatable members 13 having their extrem~
MULTIPLE WALL SlGHT AND SQUND
Products Inc, Dyerville, lowa, a corporation of Iowa
Filed Mar. 15, 1961, Ser. No. 95,951
6 Claims. (Cl. 16tl—25)
branes therebetween.
ities journaled in thrust bearings 14 at the top and bot
tom of the coil box 10.
This invention relates to buildings of various kinds and
The curtains 11 and 12 extend through an opening
to the construction of the same including the structure
and arrangement of the walls which subdivide the interior 10 15 in the housing 10 and beyond the housing they are
in side by side relation. Curtains 11 and 12 are pro
of the building into rooms or areas of appropriate size
Vided on their inner contiguous surfaces with light and
for desired uses.
sight obstructing and sound insulating sheets or mem
The invention relates particularly to building struc
tures having upright walls or partitions capable of being 15 branes 16 to improve the value of the device as a barrier
and these sheets may be stapled in place to the inner sur
changed or modi?ed for a different use in a minimum
faces of the walls or curtains 11 and 12.
of time and with little effort, and after the need for the
The walls or curtains 11 and 12 may be formed of a
modi?ed structure has expired the building again can be
series of ?exible inter-‘?tting slats or elements 17 and each
restored to its original condition.
Buildings of various sizes and materials have been 20 of which may have a tongue 18 along one edge and a co~
operating groove along an opposite edge so- that the
provided having walls or partitions that could be moved
groove 19 in one slot may receive the tongue 18 of the
to provide modi?ed areas and facilities. However, as
contiguous slat.
stated in my copending application 76,212 such movable
The slats 17 at the outer or free edge of each of the
and did not provide a solid or satisfactory bearing, their 25 walls are connected by a ?exible bumper sheet 20 bent
into U-shape and having incorporated therein a resilient
use has been difficult and has involved too much time
cushion 21. The ?exible sheet 20 and cushion 21 pro
and e?ort or did not provide a solid wall but one with
vide a shock-absorbing bumper or buffer along the outer
light and sight spaces and prior walls have failed satis
walls have been expensive, massive, heavy and unwieldy
factorily to insulate against sound.
edge of the partition so that when the partition is fully
‘It is an object of the invention to overcome the di?l 30 extended with the sudden movement the shock will be
absorbed by such bumper or buffer.
culties enumerated and to provide a relatively inexpen
The slats 17 are connected and held together in as
sive, simple and practical wall or partition, of light weight,
sembled relation by generally horizontally disposed tapes
which can be easily and readily manufactured, at rela
or ribbons 22 received in openings 23 in the slats. These
tively small cost, can ‘be readily installed, used and op
erated, or projected or retracted, in a minimum of time, 35 cables connect the outermost slats 17 or end portions of
the curtains with the reels 13 and allow each curtain to
with minimum effort and expense, and which wall or par
be coiled with the slats in contact one with the ‘other
tition will provide adequate insulation between adjoining
and without their being disconnected or separated su?i
areas.
ciently to allow the passage of light.
Another object of the invention is to provide a wall of
To facilitate coiling the outer edge of each of the slats
the character indicated which can be coiled and uncoiled,
17 may have a recessed shoulder 24 adjacent to the
which is of double thickness, having insulating sheets or
tongue 18 and this produces the space required vfor such
layers between the double wall and providing an air
coiling.
space to form a solid barrier including for light, sight
and sound, constructed so that a single crank or motor
The curtains 11 and 12 are suspended from overhead
can be employed for winding and unwinding both por 45 and are provided with a plurality of supporting rollers
25 rotatably mounted on offset hanger brackets 26 and
tions of the partition.
independently carried in an inverted channel de?ning
Other objects and advantages of the invention will be
double tracks 27 as described in said copending applica
apparent from the following description taken in conjunc
tion. Offset guides 28 are provided one for each of the
tion with the accompanying drawing wherein:
FIG. 1 is a perspective of a structure to which one em 50 slats 17 at the lower extremity of each slat for coopera
tion with an adjacent guide. Each of the guides 28 is
bodiment of the invention has been applied;
adapted to have a shoulder 29 at one of its edges and a
FIG. 2, a similar view with the partition fully extended;
notch 30 at an opposite edge as described and illustrated
FIG. 3, an enlarged detail perspective of the double
in the aforesaid copending application.
wall partition and the holder for the two reels which hold
By having offsets in the hanger brackets 26 and lower
the same and are employed for the coiling and uncoiling 55
guides 28 an air space between the curtains and insulat
of the partition;
ing sheets 11 and 12 is provided. This air space is de—
FIG. 4, an enlarged fragmentary vertical section on
the line '4—4 of FIG. 2;
‘
FIG. 5, a vertical section on the line 5-5 of FIG. 4;
sirable to prevent transfer of sound vibrations from one
curtain to the other as would be the case in the lower
60 frequency range if the curtains ‘were allowed to come in
FIG. 6, a horizontal section on the line 6—6 of PIGB;
contact with one another.
FIG. 7, a horizontal section on the line 7-7 of FIG.3;
A spacer 31 the same thickness as the air space is in
FIG. -8, a detail of the gearing used in the winding and
unwinding of the reels; and
terposed between the free ends of the curtains 11 and 12
and is connected thereto by any desired means as for
FIG. 9, a horizontal section similar to that of 'FIG. 7 65 example by rivets or other fasteners 32. A ?oor chan
of a slightly modi?ed form of the invention.
nel guide 33 may be employed for the lower end of the
Brie?y stated, the invention is a coilable partition of
coilable partition and such ?oor channel may be counter
multiple wall construction including a casing containing
sunk in the ?oor.
a pair of reels, each of which has a curtain attached
In order to extend and retract the coilable partition
thereto and with the two curtains constructed to move 70 forming curtain, drive mechanism may be provided of
outwardly and inwardly in parallel relation and form a
the kind illustrated in copending application 783,295,
3,090,425
4
now Patent No. 2,978,019, issued April 4, 1961, or if
extended being in side by side relation and providing an
preferred the partition may be extended by pulling the
ing a light and sight obstructing and sound insulating
air space therebetween, at least one of said curtains hav
same manually from the coil box and a hand crank 34
sheet ‘attached thereto and disposed between said cur
may be provided by which the partition may be recoiled
(FIG. 7). The hand crank 34 may be'conneeted to a
right angle gear box 35 having a shaft 36 depending there
from with the lower end of such shaft. terminating in a
gear 37 (FIG. 8). The gear 37 may mesh with a reduc
ing gear 38 mounted on a shaft 39 and such reducing gear
drives a gear 40 mounted on the reel '13 to retract one of
talus when they are extended, said jointed curtains hav
ing overlapping portions at the joints thereby preventing
vision and obstructing passage of light therethrough,
means connecting the ends of said curtains remote from
said reels, an overhead track, said curtains being individ
to
ually suspended from said track, guiding means for the
lower edges of said curtains, and means for imparting ro
tary motion to said reels to wind said curtains thereon.
3. A coilable wall of the character described compris
ing a pair of reels, a jointed curtain attached to each of
said reels for winding and unwinding, said curtain when
15
other reel :13.
extended being in side by side relation and providing an
In some cases it may be necessary to have the opening
vair space therebetween, at least one of said curtains hav
15 through which curtains 1'1 and 12 extend in the side
ing a light and sight obstructing and sound insulating
of the coil box or holder 10 instead of the front, this
sheet attached thereto and disposed between said cur
being shown in FIG. 9, in such cases the gearing to recoil
' the curtains 1.1 and 12 has to be modi?ed wherein the 20 tains when they are extended, said jointed curtains hav—
ing overlapping portions at the joints thereby preventing
shaft 36 terminating in gear 37 may mesh with reducing
vision and obstructing passage of light therethrough.
gear 38 mounted on shaft 39 and such reducing gear
4. A coilable multiple wall comprising a pair of par
drives a gear 49 mounted on the lower end of one of the
the components of the partition such as the member 12
and in order to retract the curtain or component ‘11 a
gear 40 meshes with an idler gear 41 which in turn drives
a second idler gear 42 meshing with a gear 43 on the
titions constructed of inter?tting slats, a housing having
reels 13 to retract the curtain 12. ‘In order to retract
the curtain 11 at the same time as curtain =12 an idler 25 an opening through which said partitions extend, a pair
of spaced reels journaled in said housing, one of said
partitions connected to each of said reels for winding and
drives the gear ‘43 on the second reel 13. g
unwinding, an overhead track extending outwardly from
‘It will be apparent from the foregoing that a rela
said housing, a plurality of offset supporting brackets
tively simple and inexpensive multiple wall, light and
sight obstructing and sound insulating partition is pro 30 having rollers engageable with said track and mounted
on each of said partitions, said rollers being movable
vided which is relatively simple to install, that such mul
along said track to independently support said partitions
tiple wall structure extends into the overhead track torm
in spaced relation to each other, light and sight obstruct
ing channel and into the counter-sunk ?oor guide as well
ing
and sound insulating sheets mounted on the inner
as having overlapping portions and being of double thick
contiguous
surface of each partition whereby when said
ness so that there will be no openings or spaces through
partitions are extended light and sound are prevented
which light or sound can travel. Also due to the fact
gear 44 on shaft 45 meshes with gear 38 which in turn
that the coilable members are formedof ?exible compo
nents with overlapping portions, the partition. will be of
su?icient thickness to dampen vibrations and insulate
against the passage of sound but at the same time the
structure will be of relatively light weight and easy to
operate.
It will be obvious .to those skilled in the art that vari
ous changes may be made in the invention without de
from passing therethrough while preserving the appear
ance of said partitions.
‘
‘
5. A coilable wall for a building having a ceiling and
a floor comprising a pair of extendable and retractable
partitions, said partitions being generally parallel when
extended, means connecting the free ends of said parti
tions, each partition including a series of slat-like mem
bers having cooperating portions, means for connecting
members in assembled relation, a track mounted on
parting from the spirit and scope thereof and therefore 45 said
said ceiling, means for movably supporting both of said
the invention is not limitedby that whichv is illustrated in
the drawing and described in the speci?cation, but only as
indicated in the accompanying claims.
partitions from said track, a guide channel recessed in
‘said ?oor, guide means having one end attached to each
of said partitions and the opposite end disposed within
What is claimed is:
channel, a light and sound insulating membrane at
1. A coilable wall of the character described compris 50 said
tached to at least one of said partitions and covering sub
ing the combination of a housing having an opening, a
stantially the entire length and width thereof, said mem
pair of reels journaled in said housing, a jointed curtain
brane
extending upwardly into said track between said
attached to each of said reels for winding and unwind
supporting means and downwardly into said channel be
ing, said curtains extending through the opening in said
housing into side by side relation and providing an air 55 tween said guide means.
space therebetween, at least one of said curtains having a
light and sight obstructing and sound insulating sheet at
tached thereto and disposed between said curtains when
they are extended, said jointed curtains having overlap
ping portions at the joints thereby preventing vision and 60
obstructing passage of light therethrough, a bu?er con
nected to the ends of said curtains remote from said
reels, an overhead track, said curtains being individually
suspended from said track, guiding means for the lower
edges of ‘said curtains, and means for imparting rotary 65
motion to said reels to wind said curtains thereon.
2. A coilable wall of the character described compris
ing a pair of reels, a jointed curtain attached to each of
said reels for winding and unwinding, said curtains when
6. The structure of claim 5 in which a membrane is
attached to each of said partitions.
References Cited in the ?le of this patent
UNITED STATES PATENTS
387,698
484,957
Schussmann _________ __ Aug. 14, 1888
Gilliam _______ _‘_ ____ __ Oct. 25, 1892
705,045
1,585,270
1,806,859
1,827,433
2,370,794
2,564,197
Davidson ____________ __ July 22,
Stevenson ___________ __ May 18,
Mattei ______________ __ May 26,
Kendall _____________ __ Oct. 13,
Houmere _____________ __ Mar. 6,
Dobkin _____________ __ Aug. 14,
1902
1926
1931
1931
1945
1951
2,934,139
Wardlas et a1 __________ __ Apr. 26, 1960
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